Viewing Station: CO-BO-14 : Boulder 1.6 S
Jul 8, 2001 - Sep 30, 20269,198 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.41"
September 1-30, 2026(30 of 30 days covered by obs)
NOAA Normal
1.53"
Departure from Normal
-1.12" : 27% of Normal
Year-To-Date: 9.14"
Jan 1 to Sep 30, 2026(273 of 273 days covered by obs)
NOAA Normal
15.96"
Departure from Normal
-6.82" : 57% of Normal
Water Year-To-Date: 10.64"
Oct 1, 2025 to Sep 30, 2026(365 of 365 days covered by obs)
NOAA Normal
19.10"
Departure from Normal
-8.46" : 56% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.71
0.77
-0.06
Feb
0.91
0.98
-0.07
Mar
1.84
1.93
-0.09
Apr
2.72
2.76
-0.04
May
2.80
3.17
-0.37
Jun
1.88
1.96
-0.08
Jul
1.84
1.74
0.10
Aug
1.73
1.72
0.01
Sep
1.53
2.01
-0.48
Oct
1.37
1.57
-0.20
Nov
1.06
1.14
-0.08
Dec
0.71
0.77
-0.06
19.10
20.52
-1.42